How long will battery last when using the red light?

The red light lasts about 2 hours

What's the waterproof level of this cob small keychain flashlight?

IPX-4 standard waterproof,it is good for a rain from any angle or just normal getting wet.Great rechargeable flashlight.

When the battery dies completly can it be changed out?

These are rechargeable with a micro USB cable. Not sure what the actual battery life is, there are high and low settings as well red and a red strobe light setting.

What does "cob" mean?

Dear Friend, thanks for your queation. "cob" mean this light is made of unique advanced technology, so this cob keychain work light the lighting effect is better, doesn't get hot easily and have longer life which can be use for a long time.

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SEFONE 2 Pack Cob Small Keychain Work Light,1000Lumens Bright Rechargeable Mini Keychain Flashlight 4 Light Modes Portable Pocket Light with Folding Magnet Bracket Bottle Opener for Running Outdoor

SEFONE 2 Pack Cob Small Keychain Work Light,1000Lumens Bright Rechargeable Mini Keychain Flashlight 4 Light Modes Portable Pocket Light with Folding Magnet Bracket Bottle Opener for Running Outdoor

Product ID: 748510374

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Details

Special Feature
Dimmable Mode
Colour
Red
Power Source
Battery
Light Source Type
LED
Material
Abs Aluminum

💡1000 Lumens max brightness

🔋650mAh rechargeable battery

🧲Magnetic & foldable bracket

Description

🔦 Light Up Your Adventure — Never Be Left in the Dark!

4 VERSATILE LIGHT MODES - Switch effortlessly between bright, low, red, and flashing red modes to suit every situation.
DURABLE WEATHER READY - IPX4 waterproof with rugged ABS + aluminum alloy build to withstand outdoor adventures.
FAST USB C RECHARGEABLE - Quick 2-hour recharge keeps you powered up and ready, anytime, anywhere.
ULTRA BRIGHT 1000 LUMENS - Illuminate your world with powerful COB LED brilliance for any task or emergency.
COMPACT MULTI FUNCTIONAL - Pocket-sized design with keychain, bottle opener, and clip-on magnet for ultimate convenience.

The SEFONE 2 Pack Cob Small Keychain Work Light delivers a powerful 1000 lumens of brightness from a compact, rechargeable flashlight. Featuring a 650mAh lithium-ion battery, 4 adaptable light modes, and a foldable magnetic bracket, it’s designed for hands-free use and ultimate portability. Built tough with IPX4 waterproof rating and durable ABS-aluminum construction, it’s perfect for outdoor activities, emergencies, and everyday carry. Bonus features include a bottle opener and USB-C charging for fast, convenient power-ups.

Specifications

Special Feature	Dimmable Mode, Keychain, Lightweight, Magnetic, Rechargeable
Colour	Red
Power Source	Battery Powered
Light Source Type	LED
Material	Abs Aluminum
White Brightness	1000 Lumens
Included Components	Usb Cable
Product Dimensions	25D x 50W x 65H Millimeters
Voltage	3.6 Volts (DC)
Battery Cell Composition	Lithium
Item Weight	0.1 Pounds
Number of Batteries	1 Lithium Ion batteries required. (included)
Water Resistance Level	Waterproof
Brand	SEFONE
Brightness	800 Lux
Battery Description	Lithium-Ion
Style	Compact
Finish Type	Anodized
Light Source Wattage	6.67 Watts
Mounting Type	Keychain
Recommended Uses For Product	indoor or outdoor
Manufacturer	sefone
Size	Small
Part Number	sf-11
Number of Items	2
Shape	圆形
Finish types	Anodized
Number of Lights	1
Specific Uses	Camping, Fishing, Hiking
Special Features	Dimmable Mode, Keychain, Lightweight, Magnetic, Rechargeable
Light Direction	可调节
Batteries Included	Yes
Batteries Required	Yes
Wattage	6.67 Watts
Bulb Features	High brightness, multiple light modes, waterproof
Average Life	3 Hours

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